About: http://webisa.webdatacommons.org/146428062

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	PCB, or polychlorinated biphenyl, is a chemical that was widely used as a coolant and dielectric before it was banned it in 1979 for its toxicity.
http://www.w3.org/ns/prov#wasQuotedFrom	gothamgazette.com